Alleviation of salt stress in maize plant by co-inoculation of arbuscular mycorrhizal fungi and Methylobacterium oryzae CBMB20

Lee, Youngwook; Krishnamoorthy, Ramasamy; Selvakumar, Gopal; Kim, Kiyoon; Sa, Tongmin

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자료유형: 학술저널

저자정보: Lee, Youngwook (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University) Krishnamoorthy, Ramasamy (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University) Selvakumar, Gopal (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University) Kim, Kiyoon (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University) Sa, Tongmin (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University)

저널정보: 한국응용생명화학회 Applied Biological Chemistry Applied Biological Chemistry 제58권 제4호

발행연도: 2015.1

수록면: 533 - 540 (8page)

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연구주제

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연구배경

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연구방법

🏆

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Arbuscular mycorrhizal fungi (AMF) and plant growth-promoting bacteria (PGPB) can have multiple impacts on phytohormone production and nutrient uptake to improve plant growth. Co-inoculation of AMF and PGPB can mitigate the effects of salinity in plants. This study was conducted to evaluate the efficacy of co-inoculation of AMF (Glomus etunicatum) and Methylobacterium oryzae CBMB20 to alleviate salt stress and improve maize growth. Single and co-inoculation of AMF and M. oryzae CBMB20 significantly increased dry biomass, AMF root colonization, and nutrient accumulation in maize plants under salt stress. The proline content and Na uptake were significantly reduced in co-inoculation of AMF and M. oryzae CBMB20. In addition, co-inoculation of AMF and M. oryzae CBMB20 (soil) showed higher AMF density and AMF colonization compared to single AMF treatment. Among all treatments, co-inoculation of AMF and M. oryzae CBMB20 (soil) was more effective to ameliorate salt stress and improve plant growth. These results demonstrate that co-inoculation of AMF and M. oryzae CBMB20 (soil application) may be an effective alternative to enhance plant growth under salinity stress.

#Arbuscular mycorrhizal fungi #Coinoculation #M #oryzae CBMB20 #Proline #Salt stress

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